import { Type } from 'class-transformer';
import {
  IsBoolean,
  IsDateString,
  IsIn,
  IsObject,
  IsOptional,
  IsString,
  MaxLength,
  ValidateIf,
} from 'class-validator';
import {
  COPILOT_GOALS,
  COPILOT_TOPICS,
  type CopilotGoal,
  type CopilotTopic,
} from '@mento/shared';

export class SaveDiscDto {
  @IsObject()
  answers!: Record<string, string | null>;

  @IsOptional()
  @IsString()
  @MaxLength(4000)
  note?: string;
}

export class AnalyzeCopilotDto {
  @IsOptional()
  @IsString()
  personId?: string;

  @IsOptional()
  @IsString()
  leadId?: string;

  @IsOptional()
  @IsString()
  dealId?: string;

  @IsIn([...COPILOT_TOPICS])
  topic!: CopilotTopic;

  @IsIn([...COPILOT_GOALS])
  goal!: CopilotGoal;

  @IsString()
  @MaxLength(4000)
  customerStatement!: string;

  @IsOptional()
  @IsString()
  @MaxLength(2000)
  behaviorNotes?: string;
}

export class SaveCopilotDto extends AnalyzeCopilotDto {
  @IsIn(['confirmed', 'dismissed'])
  status!: 'confirmed' | 'dismissed';

  @IsOptional()
  @IsString()
  @MaxLength(4000)
  confirmedResponse?: string;

  @IsOptional()
  @IsString()
  @MaxLength(500)
  nextAction?: string;

  @IsOptional()
  @ValidateIf((_, value) => value != null && value !== '')
  @IsDateString()
  followUpAt?: string | null;

  @IsOptional()
  @IsString()
  @MaxLength(500)
  callOutcome?: string;

  @IsOptional()
  @IsString()
  @MaxLength(4000)
  agentNote?: string;

  @IsOptional()
  @IsString()
  @MaxLength(2000)
  messageDraft?: string;
}

export class CopilotFollowUpDto {
  @IsOptional()
  @IsDateString()
  dueAt?: string;

  @IsOptional()
  @IsString()
  assigneeId?: string;

  @IsOptional()
  @IsBoolean()
  @Type(() => Boolean)
  createTask?: boolean;
}